I'm not going to try to persuade you one way or the other, but, I don't believe there is a big difference in possibility of recurrence either way.

I had robotic prostatectomy and a recurrence in less than a year. I was also 3+4=7. Had salvage radiation since then and now still on ADT (doc wants me on it for 2 years.) Been undetectable for about 18 mos now.

The reason I chose this direction was that if there is a recurrence, it's much more difficult to do surgery after radiation as opposed to radiation after surgery. (or so I was told)